Code Security Audit

Scan codebase for security vulnerabilities:

1. Injection Attacks

• SQL injection in raw queries
• NoSQL injection in MongoDB queries
• Command injection in exec/spawn calls
• LDAP injection
• XPath injection

2. Authentication & Authorization

• Missing auth middleware on protected routes
• JWT without expiry validation
• Hardcoded secrets in code
• Weak password requirements
• Missing rate limiting on auth endpoints
• Session fixation vulnerabilities